diff --git a/server/core/DbCreator.js b/server/core/DbCreator.js
index 51a3c8a..eae7492 100644
--- a/server/core/DbCreator.js
+++ b/server/core/DbCreator.js
@@ -126,6 +126,7 @@ class DbCreator {
         }
 
         utils.freeMemory();
+        await db.freeMemory();
 
         //теперь можно создавать остальные поисковые таблицы
         const parseField = (fieldValue, fieldMap, fieldArr, authorIds) => {
@@ -232,10 +233,7 @@ class DbCreator {
         titleMap = null;
         genreMap = null;
 
-        for (let i = 0; i < 3; i++) {
-            utils.freeMemory();
-            await utils.sleep(1000);
-        }
+        utils.freeMemory();
 
         //config
         callback({job: 'config save', jobMessage: 'Сохранение конфигурации'});
@@ -289,7 +287,8 @@ class DbCreator {
 
                 await db.insert({table, rows: chunk});
 
-                await utils.sleep(100);
+                if (i % 10 == 0)
+                    await db.freeMemory();
             }
 
             nullArr();
diff --git a/server/core/DbSearcher.js b/server/core/DbSearcher.js
index 46f8bea..d555a2b 100644
--- a/server/core/DbSearcher.js
+++ b/server/core/DbSearcher.js
@@ -36,7 +36,7 @@ class DbSearcher {
             a = a.substring(1);
             where = `@@indexIter('value', (v) => {                    
                 const enru = new Set(${db.esc(enruArr)});
-                return !v || !enru.has(v[0].toLowerCase());
+                return !v || (!enru.has(v[0].toLowerCase()) && v.indexOf(${db.esc(a)}) >= 0);
             });`;
         } else {
             where = `@@dirtyIndexLR('value', ${db.esc(a)}, ${db.esc(a + maxUtf8Char)})`;
@@ -108,7 +108,7 @@ class DbSearcher {
         if (query.title && query.title !== '*') {
             const where = this.getWhere(query.title);
 
-            const titleRows = await db.select({
+            let titleRows = await db.select({
                 table: 'title',
                 map: `(r) => ({authorId: r.authorId})`,
                 where
@@ -119,8 +119,14 @@ class DbSearcher {
                 for (const id of row.authorId)
                     ids.add(id);
             }
-
             idsArr.push(ids);
+
+            //чистки памяти при тяжелых запросах
+            if (query.title[0] == '*') {
+                titleRows = null;
+                utils.freeMemory();
+                await db.freeMemory();
+            }
         }
 
         //жанры
@@ -258,7 +264,7 @@ class DbSearcher {
 
     async periodicCleanCache() {
         this.timer = null;
-        const cleanInterval = 30*1000;//this.config.cacheCleanInterval*60*1000;
+        const cleanInterval = 5*1000;//this.config.cacheCleanInterval*60*1000;
 
         try {
             const db = this.db;